Urethroscope



Apri 12, w21. 1,624,716

F. CERBO URETHROSCOPE Filed Feb. 17. 1927 az-ranma? Patented Apr. 12, 1927.

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Y l -URETHROSQQ-tax v npplieetion tiled Feliruery 17, ',Serial Nel 169,112..A

The present invention relates to an iniprovement in urethroseopes, and rnore particularly' to animprovement upon instruments of this ol'ia'raoter suehas are disclosed in patents 'hletofre Obtained. Vbv menait@ 1y 1,003,232, dated September y12, 19,11, 1,Q&, 28, ated November 1,2, 1912 'and' 1,139,015, dated May 11,l9 15. Y Such int-rulnents include"meansV for dilatin'g the urethral V:or other channel and illuminating tlievdiliated Channel'.

The' invention of 1the presentI application i ".1 mstmmenrbemg ib'rovidea @t @geiser ne 'Instruments heretofore proposed torvthis purpdset have www@ @its objection f able in that 'the vrelation Vofthe di'llting'ilz vige .to other parte. of( the instrvmat; fas' vella-s the illuminating rneensfhave been, 'or

proved to lb 'ametista-@wry brvijngfte the ngernents 'of' ythe the Same' generalfpui'pose, is 'provided with meansv for illuminating 'the lAdil-ated' channel and one i of the objeets'of' ythe present 'inve'nl tion is' to avoid'objections that have been' in aident to ther arrangement 'of veireuitl vvifr'es and terminals/'for the nthe instruf. ments heretofore eniployed.` Among the olijeetionsvto prior instrumentss above noted,

relative' to the other parte was such that inl jury niightresult 'if the 'lan'ip Were broken;

i, and nrther the eonneotionf between the sevfrequente' f .dilator' end of the inner tube," and sanitaryreasons, the lamp isplaeed at thev sight end fof -tlie instrument," vthe cost f' ot marini-actiefilm reduced-mini weichen of thl'ab've' referred4 to detrimental features are Wlioll-y eliminated.

' :My'invention consists in the peculiar and novel construction' of a urethrosoope, said uretlnoseope having details of Construction as will be inorefully set v'forth hereinafter' Closed positions in tfull lines and in their eX?" i tion of the central*` part of the uretlir'oscopebroken away.A

` Figure is an enlarged transverse seotional view through the removable sight; and lamp member' and taken on line 3, 3, of Fig@y ure l, looking in the direction of the arrows anni* v" Figl'ire 1l' i'san enlarged transverse seetionali view similar' toligure 3'; and taken 0n vline'lfl; ofv Figure 1,"and looking iin the diretfionofthe arro1vs`b,`b. Figure 5 is an'enlarged'end vieiv ofdilatorj"end of the inner tube. i

` Figure'is an enlarged Side view the Figure 7 is a central longitudinal se@ tional view through the irrigating- 'member otl the nretlrro'scope, `vvhich takes the place of the sight and lanip member, when the act of irrigating-'- is bengperforrned on the patientL" 'f f I f' In the dra-Wing, Figure l represents my improved 'urethroso'ope as" a Whole, and it consists essentially of the relatively stationary outer tubeSf, the relatively non-revoluble but' longitudinally movable inner tube 9, inl Circ[uneler'entia'l and longitudinal contact- \vith 'tl1e outer tubefS, as shown inFigure 2, al pluralityef laterally movable 'comparatively sh0rt`dilatorarms 1O,10,"`for1ning an integr-al' 'extension of the inner or dilaterl end'f'ftlie" outer' tube v8, "an operati-ng meinber- 11, a' removable sight andi 'lamp inernber 12', on the Lbeeldend, and a removable irri- .grating rnernber 13, Which 'alsogoes`"on the headen'd of* the instrument, 1 when' the sight aridl- Inp niernber 12is removed.

.een

The length and diameter of the outer tube 8 may be of any suitable dimensions, suoli tor example as will permit the instrument to be Yhead 14 having internal screw-threads 15 and a radial screw-threaded hole 16 in is aknurledheaded screw 17. n

The inner'tube 9 has an externally screwwhich threaded head 18, a collar 19, a slight lon? gitudinal groove in which the innerend of they screw 17 has a sliding fit, and which allows longitudinal movement of the inner tube 9,. but prevents the inner tube 9 from turning on Aits axis when the innerend of the screw 17 isv in the groove .20. The inner or dilater end of the inner tube 9 has a series, preferably four, et bayonet joint slots 21,21, as shown in Figures '2, 5 and 6. rThe dilater arms 10, 10, may be straight orv curved and when closed form a cone shaped apex or inner end on the instrument. Secured to each of the dilater armsY 10, 10, is a wire operating member 22 having an end 23 secured te the dilater arm 10 by riveting or other means, an inclinedlportion 24 in a bayonet joint slot- 21 in the end or" the inner tube 9, and a straight portion 25 terminating in an end 26 secured to the dilater arm 10 by riveting or other means, as Vshownin Figure 2. j

rThe operating member 11 is in the :form of anl externally Vsere'w-threaded sleeve in screw-threaded engagement with the internal screw-threads 15 in the head 14 and has a knurled flange 27; The operating member 11 isrrotatab'ly secured to the head end of the inner tube 9 by the bearingvring 19 on the inner tube 9V and the collar 28 situated also en the inner tube 9, as shown iii/Figure 2.

The sight and lamp member 12 is in the form of a short cylindrical body member 29 having a bevelled inner end portion 30 which merges into aninternally Screw-threaded end 31, which screws over the externally screw-threaded head end 18, ofthe inner tube 9 and secures vthe sight and lamp meinber 12, to the inner tube 9. This body member 29 also hasV a lamp socket 32 in which is an electric lamp33, which is electrically connected to a source et electric energy,net shown, by wires, through an opening 34 in the body member 29. The Aouter end of body member 29 also has external screwthreads 35 and a reflectorv 36 is placed back of the lamp 33 on the bevelled end portion 30, as shown in Figures 2 and 4. A dished sight member 37 i-s constructed to have an internally screw-threaded flange 38, which screws over the external screwthreads 35 of the body member 29, a central sight tube 39, which lextends into the body member 29 vAll of t e parts of the instrument can be made of Grerman` silver vor other suitable metal or material.

By means of this improved construction the urethroscope when inserted, er in use, may be easily and quickly Ymanipulated so as to accurately andV positively loperate the dilater arms` simultaneeusly'to the desired may be closed or moved inwardly so thatY they will clasp any body located between them, and the instrument can then be einployed like a forceps to withdraw suchrbody from the previously dilated channel. j

In th-e use-of 'my improved Vurethrescope, the instrument first sterilized isinserted into the urethral passage or other channel to the extent desired followed by turning the operating member 11 to the right ther-ebycorrespending-ly moving the inner tube V9 lengthwise, when the'inner edges of the bayonet joint slots 21, 21 in the end of the inner tube'.

9, engaging with the inclined portions 24,v` 24 of the wire operating members 22, 22, will cause the dilater arms V10, 10 to expand Vor open, as shown indotted lines in Fig-V ure 1. The lamp casing 12 is new screwed upon the section 18 of the inner tube 9 and the electric lamp .33 is lightedby closing a switch, not shown. Light from the lamp 33 isfnow reiiected from, the reflectorV 36 onto the reiiectort() and the light from the reflector 40V is thenk reiiected into and through the inner tube 9 and onto the expanded parts thus acted upon. The physician may then make a visual examination or inspection of the thus acted upon parts by loekingthrough the sight tub-e 39. V

At the completion of the` operations the" lamp 33 is put out, the sight and lamp mem-' ber 12 is removed from the inner tube 9, by unscrewing it, vthe operating member 11 is turned to fully open the dilater arms, the screw 17 is Withdrawn from the greov-e 2O in the inner tube 9 and such inner tube is then given a partial turn to the .left by grasping the outer end 18. This last operation brings the inclined portions 24, 24, ot the wire operating members 22,22 into the open end et the bayonet joint slots 21, 21, and the innertube 9 may now be drawn entirely out of thek outer tube 8 byunscr-ewing the operating member 11 from the head 14.- Avll `or" the parts of the instrument are thus easily separated and may now be thoroughly cleaned or sterilized,tor sanitary reasons.

n Lea-1,7m

By the use of my improvedconstruction j in urethroscopes, the instrument is easily and quickly'taken apart forfsterilizingnthe parts-and for minor repairs,the sight and the act V4of irrigating is more sanitary than heretofore and a more perfect urethroscope 1s.4 produced, than has previously been devised.

If desir-ed, the improved instrument may be employed for irrigatingthe channel in Vwhich it is inserted. For this purpose the sight and lampmember 12 is detached and the irrigating member 13, illustrated in detail in Figure 7, substituted therefor.

rIhe irrigating member 13 consists of a cylindrical head member 41 having an internally screw-threaded inner end 42, which Screws over the externally screw-threaded head end 18 of lthe inner' tube 9, an internally screw-threaded outer end 43 and an outlet tube 44 to which may be connected a rubber tube, not shown, for carrying away v the remedial or other fluidsused in irrigating. Screwed into the screw-threaded outer end 43 in the outer end of the head member 41 is a screw-threaded plug 45, having external screw-threads 46, a knurled flange 47 and an enlongated central tube 48, the inner end 49 of Which extends preferably into the dilator end of the instrument, when inruse, and the outer end of which terminates into an inlet tube 50, on the outer face of the plug 45, as shown in Figure 7*. A rubber tube and bulb, not shown, may be secured to .this inlettube 50, for forcing remedial or other fluids through the tube 48. When irrigating, the remedial fluid flows or is forced through the central tube 48 to the enlarged portion of the urethra, asV indicated by the arrows c, c, in Figure 7 and then it flows back between the central tube 48 and the inside of the inner tube l9, through the head member 41 and then out through the outlet tube 44, as indicated by the arrows a, a, in Figure 7 The remedial liquid is thus kept entirely out of contact with the external portions of the body` and by this new construction very little if any enters between the outer tube 8 and the inner tube 9.

Havingthus I claim is: Y

1. AIn a urethroscope, an outer tube, ai plurality of dilator arms formed integral with the outer tube and when closed forming a cone shaped end on the outer tube, an inner tube in surface contact with the outer tube, a dilating member having an inclined portion secured to each dilator arm, the inner tube having bayonet joint slots into which the inclined portion of each dilating member vdescribed my invention whatV engages,V means for reciprocating the inner tube relatively ft'o the outer Jtube,"andmeans for, preventing the inner tube from` turning' on itsaxis relatively to the outer tube.

2.y In a urethroscope, an outer tube, a plurality'of 'di'latorllanms formed vintegral with the outer tube and when closedr forming Val cone shaped end on the outer tube, an inner tube in surface contact with the outer tube, a wire having an inclined portion and a straight portion fixed to each dilator arm, the inner tube having at its'rinner end a bayonet joint slot foreachl wire, the inclined portion of each wire adapted toenter the bayonet joint slot, vwhereby the inner tube is operatively connected tothe dilator arms and easily disconnected when required, means for reciprocating the inner tube relatively to the outer tube, and means for preventing the inner' tube from turning on its axis. y f 4 y 3. In a urethroscope, an elongated outer tube having a head end and a plurality of dilator arms forming an apex end for the' outer tube, an elongated inner tube in surface contact with the outer tube, means for operatively connecting and disconnecting the inner tube and the :dilator arms, a detachable sight and lamp member on thehead end of the urethroscope and having an electric lamp, means for' reflecting light into the inner tube, means for electrically connecting the electric lamp to a source of electric energy, and means for reciprocating the inner tube relatively to the outer tube.

4. In a urethroscope, an elongated tube f having a head end and.y a plurality of dilator arms forming anV apex end for the outer tube, an elongated inner tube in surface contactfwith the Vouter tube, means for operatively connecting the inner tube with the divlator arms, a detachable sight and lamp member on the head end ofr the inner tube and having an electric lamp,a reflector, a sight tube, means for electrically connecting the lamp with a source of electric energy and means for reciprocating the inner tube relatively to the outer tube. Y

' 5. In a urethroscope as described, the'combination of a tube having dilating members at one'end, means for expanding said dilators, a casing adapted to be detachably secured to the other end of said tube, an electric lamp within said casing, a primary rcflector adjacent the electric lamp, between 'l the lamp and the tubular body of the instrument, a. sight tube in the end wall of said casing, and an annular reflector surrounding said sight .tube and adapted to receive reflected light from the primary reflector.

6. In a urethroscope, the combination of the following instrumentalities, ,an outer' tube 8, an inner tube 9, dilatorv arms 10, 10, an operating member l11, a sight and lamp member 12, said outer tube 8 having a head y inclined portion 24 Which enters a, bayonet for the purpose described..

joint slot 21 in the inner tube 9, said sight and lamp member 12 having en electric lamp 33, reflectors 36 and 40, and a slglittube 3E 1U In testimony whereof I myhand. Y Y Y- FERDINANDO CERRO.

have lierennto sei 

